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单词
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释义
op
·
tion
·
al
/ˈɒpʃ
ə
nəl/
a.
随意的,任选的,可选择的,非强制的
optional
courses on linguistics
语言学选修课
an
optional
activity
非强制性活动
Purchase of tickets is purely
optional
.
购票并非是必须的。
op
·
tion
·
al
·
ly
ad.
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overspaciously
overspaciousness
overspaciousnesses
oversparing
oversparingly
over-sparingly
oversparingness
oversparingness'
oversparingnesses
over-sparingnesses
oversparingness's
oversparred
overspecialization
overspecialized
overspecialized
overspeculate
over-speculate
overspeculated
overspeculates
overspeculating
overspeculation
overspeculation
overspeculative
overspeculatively
overspeculativeness
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更新时间:2026/4/11 4:44:22